| Acronym | Meaning |
| DH | Dortmund-Hoerder (German Vacuum Steel Refining) |
| SONEX | Subsonic Assessment Ozone And Nitrogen Oxide Experiment |
| GBF | Gibbs-Bogolyubov-Feynman (variational Principle) |
| POC | Product Of Combustion |
| GPPS | General Purpose Polystyrene |
| CNDO/2D | Complete Neglect Of Differential Overlap With Deorthogonalization |
| OSIRIS | Oxford Supersensitive Injector For Radioactive Isotope Separation |
| RAP | Receptor-associated Protein |
| ZSR | Zdanovskii-Stokes-Robinson [model] |
| IMDL | Interlaboratory Method Detection Limits |